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CIDR Range

139.70.208.0/20

4.1K IPs /20 The College of William and Mary AS11975 United States ARIN
Addresses
4,096
4.1K
IP Range
139.70.208.0
→ 139.70.223.255
Sub-ranges
0+
within this block
PTR Density
2.8%
115 of 4.1K IPs have PTR

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First 256 of 4,096 IP addresses in 139.70.208.0/20

139.70.208.0 139.70.208.1 139.70.208.2 139.70.208.3 139.70.208.4 139.70.208.5 139.70.208.6 139.70.208.7 139.70.208.8 139.70.208.9 139.70.208.10 139.70.208.11 139.70.208.12 139.70.208.13 139.70.208.14 139.70.208.15 139.70.208.16 139.70.208.17 139.70.208.18 139.70.208.19 139.70.208.20 139.70.208.21 139.70.208.22 139.70.208.23 139.70.208.24 139.70.208.25 139.70.208.26 139.70.208.27 139.70.208.28 139.70.208.29 139.70.208.30 139.70.208.31 139.70.208.32 139.70.208.33 139.70.208.34 139.70.208.35 139.70.208.36 139.70.208.37 139.70.208.38 139.70.208.39 139.70.208.40 139.70.208.41 139.70.208.42 139.70.208.43 139.70.208.44 139.70.208.45 139.70.208.46 139.70.208.47 139.70.208.48 139.70.208.49 139.70.208.50 139.70.208.51 139.70.208.52 139.70.208.53 139.70.208.54 139.70.208.55 139.70.208.56 139.70.208.57 139.70.208.58 139.70.208.59 139.70.208.60 139.70.208.61 139.70.208.62 139.70.208.63 139.70.208.64 139.70.208.65 139.70.208.66 139.70.208.67 139.70.208.68 139.70.208.69 139.70.208.70 139.70.208.71 139.70.208.72 139.70.208.73 139.70.208.74 139.70.208.75 139.70.208.76 139.70.208.77 139.70.208.78 139.70.208.79 139.70.208.80 139.70.208.81 139.70.208.82 139.70.208.83 139.70.208.84 139.70.208.85 139.70.208.86 139.70.208.87 139.70.208.88 139.70.208.89 139.70.208.90 139.70.208.91 139.70.208.92 139.70.208.93 139.70.208.94 139.70.208.95 139.70.208.96 139.70.208.97 139.70.208.98 139.70.208.99 139.70.208.100 139.70.208.101 139.70.208.102 139.70.208.103 139.70.208.104 139.70.208.105 139.70.208.106 139.70.208.107 139.70.208.108 139.70.208.109 139.70.208.110 139.70.208.111 139.70.208.112 139.70.208.113 139.70.208.114 139.70.208.115 139.70.208.116 139.70.208.117 139.70.208.118 139.70.208.119 139.70.208.120 139.70.208.121 139.70.208.122 139.70.208.123 139.70.208.124 139.70.208.125 139.70.208.126 139.70.208.127 139.70.208.128 139.70.208.129 139.70.208.130 139.70.208.131 139.70.208.132 139.70.208.133 139.70.208.134 139.70.208.135 139.70.208.136 139.70.208.137 139.70.208.138 139.70.208.139 139.70.208.140 139.70.208.141 139.70.208.142 139.70.208.143 139.70.208.144 139.70.208.145 139.70.208.146 139.70.208.147 139.70.208.148 139.70.208.149 139.70.208.150 139.70.208.151 139.70.208.152 139.70.208.153 139.70.208.154 139.70.208.155 139.70.208.156 139.70.208.157 139.70.208.158 139.70.208.159 139.70.208.160 139.70.208.161 139.70.208.162 139.70.208.163 139.70.208.164 139.70.208.165 139.70.208.166 139.70.208.167 139.70.208.168 139.70.208.169 139.70.208.170 139.70.208.171 139.70.208.172 139.70.208.173 139.70.208.174 139.70.208.175 139.70.208.176 139.70.208.177 139.70.208.178 139.70.208.179 139.70.208.180 139.70.208.181 139.70.208.182 139.70.208.183 139.70.208.184 139.70.208.185 139.70.208.186 139.70.208.187 139.70.208.188 139.70.208.189 139.70.208.190 139.70.208.191 139.70.208.192 139.70.208.193 139.70.208.194 139.70.208.195 139.70.208.196 139.70.208.197 139.70.208.198 139.70.208.199 139.70.208.200 139.70.208.201 139.70.208.202 139.70.208.203 139.70.208.204 139.70.208.205 139.70.208.206 139.70.208.207 139.70.208.208 139.70.208.209 139.70.208.210 139.70.208.211 139.70.208.212 139.70.208.213 139.70.208.214 139.70.208.215 139.70.208.216 139.70.208.217 139.70.208.218 139.70.208.219 139.70.208.220 139.70.208.221 139.70.208.222 139.70.208.223 139.70.208.224 139.70.208.225 139.70.208.226 139.70.208.227 139.70.208.228 139.70.208.229 139.70.208.230 139.70.208.231 139.70.208.232 139.70.208.233 139.70.208.234 139.70.208.235 139.70.208.236 139.70.208.237 139.70.208.238 139.70.208.239 139.70.208.240 139.70.208.241 139.70.208.242 139.70.208.243 139.70.208.244 139.70.208.245 139.70.208.246 139.70.208.247 139.70.208.248 139.70.208.249 139.70.208.250 139.70.208.251 139.70.208.252 139.70.208.253 139.70.208.254 139.70.208.255 + 3.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 139.70.128.0/17.

Announced prefix
139.70.128.0/17
Origin AS
AS11975
Announcement samples
10,161
Last seen
2026-07-23 22:25:20

Frequently Asked Questions

What is 139.70.208.0/20?

139.70.208.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 139.70.208.0 to 139.70.223.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 139.70.208.0/20 network?

The 139.70.208.0/20 range is allocated to The College of William and Mary and announced via AS11975 from United States.

Last updated: 2026-07-23 22:40:31 UTC
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